Applied Scientist, Mobile Manipulation Robotics (I/O)

Description

Alexa is transforming home automation through voice technology applied to real-world devices. We're seeking an Applied Scientist to advance our voice recognition capabilities by developing learning-based approaches that enable devices to understand and respond to natural human speech in diverse home environments. This role offers the opportunity to apply state-of-the-art research to production systems operating at Amazon’s unprecedented scale.

Key job responsibilities

• Model Development and Training: Designing and implementing the model architectures, training and fine-tuning the models using various datasets, and optimizing the model performance through iterative experiments
• Data Management: Process and prepare training data, including data governance, provenance tracking, data quality checks, and creating reusable data pipelines
• Experimentation and Validation: Design and execute experiments to test model capabilities on the simulator and on the device, validate performance across different scenarios, create a baseline, and iteratively improve model performance
• Code Development: Write clean, maintainable, well-commented, and documented code, contribute to training infrastructure, create tools for model evaluation and testing, and implement necessary APIs
• Research: Stay current with latest developments in foundation models and voice recognition, assist in literature reviews and research documentation, prepare technical reports and presentations, and contribute to research discussions and brainstorming sessions
• Collaboration: Work closely with senior scientists, engineers, and leaders across multiple teams, participate in knowledge sharing, support integration efforts with voice hardware teams, and help document best practices and methodologies

About The Team

We are a smart, collaborative team of enthusiastic doers that work passionately to apply innovative advances in voice technology and software to solve real-world challenges that will transform our customers’ experiences in ways we can’t even imagine yet. We invent new improvements every day. We are Alexa and we will give you the tools and support you need to invent with us in ways that are rewarding, fulfilling, and fun!

Basic Qualifications

• 3+ years of building models for business applications experience
• PhD, or Master's degree and 4+ years of CS, CE, ML or related field experience
• Experience in patents or publications at top-tier peer-reviewed conferences or journals
• Experience programming in Java, C++, Python or related language
• Experience in any of the following areas: algorithms and data structures, parsing, numerical optimization, data mining, parallel and distributed computing, high-performance computing

Preferred Qualifications

• Experience using Unix/Linux
• Experience in professional software development

Company

Alexa is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit here for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.